Append Column from Other pandas DataFrame in Python (Example Code)

import pandas as pd                         # Load pandas library

import pandas as pd # Load pandas library

df1 = pd.DataFrame({"A":range(300, 305),    # Construct two pandas DataFrames
                    "B":range(100, 105)})
print(df1)
#      A    B
# 0  300  100
# 1  301  101
# 2  302  102
# 3  303  103
# 4  304  104

df1 = pd.DataFrame({"A":range(300, 305), # Construct two pandas DataFrames "B":range(100, 105)}) print(df1) # A B # 0 300 100 # 1 301 101 # 2 302 102 # 3 303 103 # 4 304 104

df2 = pd.DataFrame({"C":range(55, 50, - 1),
                    "D":range(65, 60, - 1)})
print(df2)
#     C   D
# 0  55  65
# 1  54  64
# 2  53  63
# 3  52  62
# 4  51  61

df2 = pd.DataFrame({"C":range(55, 50, - 1), "D":range(65, 60, - 1)}) print(df2) # C D # 0 55 65 # 1 54 64 # 2 53 63 # 3 52 62 # 4 51 61

df1["C"] = df2["C"]                         # Appending column from second to first DataFrame
print(df1)
#      A    B   C
# 0  300  100  55
# 1  301  101  54
# 2  302  102  53
# 3  303  103  52
# 4  304  104  51

df1["C"] = df2["C"] # Appending column from second to first DataFrame print(df1) # A B C # 0 300 100 55 # 1 301 101 54 # 2 302 102 53 # 3 303 103 52 # 4 304 104 51